No Impact Man, Colin Beavan, and his family have inspired a nation to swap their old consumer habits for new environmentally-friendly ones. The recently launched No Impact Curriculum brings the lessons learned from this year-long journey to your classroom.

For over two decades, John Francis has been traveling the planet by foot and sail learning about environmental respect. For 17 of those years, he did so without speaking. Luckily for us, he's taken to spreading his message—here in a speech for TED.

With climate disruption, war, and a faltering economy, the '00s were tough. Still, seeds were sewn for a more green and egalitarian 2010s. And peoples movements offer the power to make real change happen.